SECURITIES (DISCLOSURE OF INTERESTS) DAILY SUMMARIES - (GEM)                         PRINTED: 14/03/03  PAGE:   1
                                                        DIRECTORS'/CHIEF EXECUTIVES' NOTIFICATIONS REPORT - B
                                                            (GRANTS, ASSIGNMENTS AND EXERCISES OF RIGHTS)

 STOCK NAME : Panva Gas Hold                 (08132)

       Director/Chief Executive        G/E     Class                 Company Name                 Quantity       Exercise Period   Ex. Price  Consideration       Note
 ------------------------------------  --- ---------------  -------------------------------  ------------------  ---------------  ---------- ---------------  -----------
 OU YAPING                              G  ORD              PANVA GAS HOLDINGS LIMITED              1,500,000    010103-030411        0.475                1             

                                        G  ORD              PANVA GAS HOLDINGS LIMITED              1,500,000    010104-030411        0.475                1             

                                        G  CONV NOTE        PANVA GAS HOLDINGS LIMITED           $100,000,000    201001-010404        0.590                0             

 STOCK NAME : Wafer Systems                  (08198)

       Director/Chief Executive        G/E     Class                 Company Name                 Quantity       Exercise Period   Ex. Price  Consideration       Note
 ------------------------------------  --- ---------------  -------------------------------  ------------------  ---------------  ---------- ---------------  -----------
 PANG HING CHUNG ALFRED                 G  OPT              WAFER SYSTEMS LIMITED                     750,000    171103-290412        0.550                1             

                                        G  OPT              WAFER SYSTEMS LIMITED                     750,000    200204-190213        0.138                1             

 TSOI TAI WAI DAVID                     G  OPT              WAFER SYSTEMS LIMITED                     750,000    200204-190213        0.138                1             

 CHAN SEK KEUNG RINGO                   G  OPT              WAFER SYSTEMS LIMITED                   3,000,000    171102-290412        0.550                1             

                                        G  OPT              WAFER SYSTEMS LIMITED                   1,200,000    200204-190213        0.138                1             

 KWAN KIT TONG                          G  OPT              WAFER SYSTEMS LIMITED                     375,000                         0.138                0             

                                                                     *****  END OF REPORT  *****


NOTE


N1      Enerchina Holdings Limited is formerly known as SilverNet Group
        Limited.